EP1438384A1 - Stabilized transparent soap composition - Google Patents
Stabilized transparent soap compositionInfo
- Publication number
- EP1438384A1 EP1438384A1 EP02782195A EP02782195A EP1438384A1 EP 1438384 A1 EP1438384 A1 EP 1438384A1 EP 02782195 A EP02782195 A EP 02782195A EP 02782195 A EP02782195 A EP 02782195A EP 1438384 A1 EP1438384 A1 EP 1438384A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- composition
- accordance
- soap
- translucent
- present
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
- C11D17/0095—Solid transparent soaps or detergents
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/26—Organic compounds containing nitrogen
- C11D3/28—Heterocyclic compounds containing nitrogen in the ring
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D9/00—Compositions of detergents based essentially on soap
- C11D9/04—Compositions of detergents based essentially on soap containing compounding ingredients other than soaps
- C11D9/22—Organic compounds, e.g. vitamins
- C11D9/30—Organic compounds, e.g. vitamins containing nitrogen
Definitions
- Soap-containing compositions generally need to be protected against decomposition as shown by discoloring, particularly yellowing, of the composition.
- Such protection usually comes from various opacifying materials present in a soap composition such as titanium dioxide, zinc oxide, and the like.
- certain solid soap- containing compositions are desirably translucent or even transparent. Opacifiers and other materials which bring about opaqueness and behave as discoloration inhibitors are absent from these compositions. Therefore, discoloration, particularly yellowing of the solid soap- containing compositions can be a significant issue. Such discoloration can become even more exacerbated when the container has at least one window through which the translucent or transparent soap bar can be visualized by the human eye, or the entire container is made from a material through which the translucent or transparent soap bar can be viewed.
- Such discoloration of a transparent or translucent soap bar, particularly translucent, has now been essentially overcome through use of an antidiscoloring effective quantity of a specific benzotriazole namely 2-(2H-benzotriazol-2-yl)-6-dodecyl-4-methylphenol wherein the dodecyl is branched and/or linear with a CAS Number 23328-53- 2/125304-04-3/104487-30- and INCI name of benzotriazolyl dodecyl p-cresol. It is available from Ciba Specialty Chemicals as Tinogard TL.
- a solid transparent or translucent cleansing composition comprising a cleansing effective amount of soap and an antidiscoloration effective amount of 2-(2H- benzotriazol-2-yl)-6-dodecyl-4-methylphenol.
- Soap is a long chain alkyl or alkenyl or mixture thereof carboxylate salt wherein the salt is generally alkali metal ammonium or ethanol ammonium such as triethanol ammonium.
- the long chain alkyl or alkenyl is about 8 to 20 carbon atoms in length counting the carbon of the car boxy group, preferably about 10 to about 18 carbon atoms.
- the quantity of soap present in the solid composition is at least about 1 wt.%, generally at least about 2, 5, 10, 20, 30, 40, 50, or 60 wt.% of the composition. Generally, the maximum quantity of soap is no more than about 70, 75 or 80 wt.% of the composition.
- surfactants can also be present in the composition, for example, synthetic anionic, amphoteric, nonionic and cationic surfactants, as long as the solid composition remains transparent or translucent.
- translucent is meant a finite (non-zero) amount of visible light can be transmitted through the bar.
- Light transmittance can be measured using a UV-vis spectrophotometer. A one centimeter thick sample of the soap bar is prepared. The % transmittance of light, from 400-800 nm, through this sample is measured. In the opaque soaps, i.e., non- translucent, the transmittance of light through a one centimeter sample is zero.
- Transparent means 14 print font can be read through a bar sample that is one inch thick.
- the specific benzotriazole effective in controlling discoloration in these soap-containing compositions is present in effective antidiscoloration amounts.
- such quantities are at least about 0.01 wt.%, desirably at least about 0.03 wt.% and more desirably at least about 0.05 wt.% of the composition.
- the maximum amount of compound is dependent upon cost and the incidence of undesirable effects, though generally does not exceed about 0.25, desirably about 0. 15 wt.% of the composition, and more desirably about 0. 10 or about 0.075 wt.% of the composition.
- the solid soap composition has no or essentially no opacifiers as previously mentioned.
- opacifiers is meant compounds which limit the quantity of light passing through the solid composition.
- the solid composition is generally opaque, i.e. "opacification".
- opacifiers include titanium dioxide, zinc oxide and the like.
- the particular solid soap-containing compositions of this invention are desirably bar shaped. They are also at least translucent with respect to light. Such transmission of light through the solid bar is achieved by standard techniques primarily through the use of monohydric alcohol (ethanol) and, desirably, polyhydric substances such as glycerin, sorbitol, mannitol, xylitol, and propylene glycol mixtures thereof and the like.
- ethanol monohydric alcohol
- polyhydric substances such as glycerin, sorbitol, mannitol, xylitol, and propylene glycol mixtures thereof and the like.
- Desirable non-opaque compositions are those with a minimum of about 60 wt.% soap, and generally not more than about 75 wt.% soap, about 4 to about 19 wt.% of an alcohol or mixtures thereof, about 10 to about 25 wt.%, more desirably about 12 to about 20 wt.% water.
- Various adjuvants and other materials usually found such as preservatives, fragrance(s) and color ant(s) can be present as well.
- various polymer materials generally plastic such as polyester, polycarbonate, polyester polycarbonate, polyolefin, as well as various wood lacquers.
- benzotriazoles are not compatible nor provide the desired stabilization.
- Uvinul MS-40 from BASF also known as benzophenone-4, CAS # 4065-45-6, changed the color of the bar during manufacturing.
- the desired benzotriazole must not only function as an effective discoloration inhibitor but also be safe for use, have ease of handling and be readily incorporated into the composition.
- Tinogard TL does not cause discoloration (yellowing of the bar). No special handling of this yellow liquid is required.
- the Tinogard TL is readily soluble into an organic system such as a fragrance.
- the solid soap compositions are prepared in any manner well known in the art.
- the benzotriazole is solubilized in an organic material, for example, the fragrance, and added to the soap chips.
- the bars can be pressed from standard machinery.
- the bars are then placed in standard containers or wraps, desirably those types that allow a user to visualize the bar. This can be done by having one or more windows on a solid container or a clear overwrap for the soap bar, preferably with a stiffener.
- the overwrap is generally a polyethylene terephthalate or a polyolefin. In like manner the see-through windows are of the same or similar plastics.
- the subject benzotriazole (Tinogard TL) is solubilized in a fragrance and then added to the soap chips and thereafter preparing a translucent soap bar comprising the following composition and having 0.05 wt.% of the benzotriazole:
- a control bar is prepared in the same manner but with the benzotriazole Tinuvin 326.
- Typical colorants which can be employed include blue, peach, green, pink, and raspberry.
- the antioxidant is particularly useful for stabilization when a red colorant is present.
- the bars (raspberry) are placed on a shelf in direct sunlight with no packaging, which allows light to pass through the bar. After 12 weeks aging, having the benzotriazole Tinuvin 326, the bars showed signs of yellowing (fading) as a result of exposure to direct sunlight. The bars with the Tinogard TL do not show any significant signs of yellowing. As well as visual evaluation, Colorimeter readings are also done on the raspberry bars after 13 weeks of aging in intense sunlight. Values for a and b indicate where the color is in the spectrum, i.e.,
- a decrease in a indicates a decrease in the red color
- a decrease in b indicate a decrease in the yellow hue
- the aging data are shown in the table below:
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Detergent Compositions (AREA)
- Cosmetics (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US35489 | 2001-10-25 | ||
US10/035,489 US6696398B2 (en) | 2001-10-25 | 2001-10-25 | Stabilized composition comprising 2-(2-H-benzotriazol-2-yl)-6-dodecyl-4-methylphenol |
PCT/US2002/033688 WO2003035820A1 (en) | 2001-10-25 | 2002-10-22 | Stabilized transparent soap composition |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1438384A1 true EP1438384A1 (en) | 2004-07-21 |
EP1438384B1 EP1438384B1 (en) | 2005-08-17 |
Family
ID=21883017
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02782195A Expired - Lifetime EP1438384B1 (en) | 2001-10-25 | 2002-10-22 | Stabilized transparent soap composition |
Country Status (15)
Country | Link |
---|---|
US (1) | US6696398B2 (en) |
EP (1) | EP1438384B1 (en) |
CN (1) | CN1264964C (en) |
AT (1) | ATE302261T1 (en) |
BR (1) | BR0213527A (en) |
CA (1) | CA2464081A1 (en) |
CO (1) | CO5580769A2 (en) |
DE (1) | DE60205648T2 (en) |
EC (1) | ECSP045116A (en) |
ES (1) | ES2247392T3 (en) |
MX (1) | MXPA04003678A (en) |
PL (1) | PL368382A1 (en) |
RU (1) | RU2004115746A (en) |
WO (1) | WO2003035820A1 (en) |
ZA (1) | ZA200403053B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8921298B2 (en) * | 2006-05-08 | 2014-12-30 | Ecolab Usa Inc. | Acidic cleaner for metal surfaces |
CN103502419A (en) | 2011-04-06 | 2014-01-08 | 荷兰联合利华有限公司 | Transparent soap comprising fluorescer |
US8958462B2 (en) * | 2012-06-29 | 2015-02-17 | Blackberry Limited | Zero correlation zone sequences for communication system |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2707300B1 (en) | 1993-07-09 | 1995-09-22 | Oreal | Solid, transparent soap composition, based on fatty acid salts containing isoprene glycol. |
GB9610865D0 (en) | 1996-05-23 | 1996-07-31 | Unilever Plc | Detergent composition |
US5728663A (en) | 1996-07-02 | 1998-03-17 | Johnson & Johnson Consumer Products, Inc. | Clear, colorless soap bar with superior mildness, lathering and discolorization resistence |
ID29252A (en) | 1998-11-02 | 2001-08-16 | Ciba Sc Holding Ag | STABILIZATION OF BODY CARE PRODUCTS AND HOUSEHOLD PRODUCTS |
KR20020000800A (en) | 1999-04-16 | 2002-01-05 | 시아이 가세이 가부시키가이샤 | Resin Composition for Biodegradable Agricultural Films with Enhanced Weatherability |
US6150314A (en) | 1999-07-28 | 2000-11-21 | Colgate Palmolive Company | Solid translucent or transparent soap composition comprising benzotriazole 2-(5-chloro-2H-benzotriazole-2-yl)-6-(1,1-dimethyl)-4-methyl-phenol |
-
2001
- 2001-10-25 US US10/035,489 patent/US6696398B2/en not_active Expired - Fee Related
-
2002
- 2002-10-22 MX MXPA04003678A patent/MXPA04003678A/en unknown
- 2002-10-22 CN CNB028210239A patent/CN1264964C/en not_active Expired - Fee Related
- 2002-10-22 WO PCT/US2002/033688 patent/WO2003035820A1/en not_active Application Discontinuation
- 2002-10-22 AT AT02782195T patent/ATE302261T1/en not_active IP Right Cessation
- 2002-10-22 EP EP02782195A patent/EP1438384B1/en not_active Expired - Lifetime
- 2002-10-22 ES ES02782195T patent/ES2247392T3/en not_active Expired - Lifetime
- 2002-10-22 DE DE60205648T patent/DE60205648T2/en not_active Expired - Fee Related
- 2002-10-22 CA CA002464081A patent/CA2464081A1/en not_active Abandoned
- 2002-10-22 RU RU2004115746/13A patent/RU2004115746A/en not_active Application Discontinuation
- 2002-10-22 PL PL02368382A patent/PL368382A1/en not_active Application Discontinuation
- 2002-10-22 BR BR0213527-2A patent/BR0213527A/en not_active IP Right Cessation
-
2004
- 2004-04-21 ZA ZA200403053A patent/ZA200403053B/en unknown
- 2004-05-20 EC EC2004005116A patent/ECSP045116A/en unknown
- 2004-05-25 CO CO04048130A patent/CO5580769A2/en not_active Application Discontinuation
Non-Patent Citations (1)
Title |
---|
See references of WO03035820A1 * |
Also Published As
Publication number | Publication date |
---|---|
ES2247392T3 (en) | 2006-03-01 |
CA2464081A1 (en) | 2003-05-01 |
PL368382A1 (en) | 2005-03-21 |
ATE302261T1 (en) | 2005-09-15 |
DE60205648T2 (en) | 2006-06-08 |
CO5580769A2 (en) | 2005-11-30 |
CN1264964C (en) | 2006-07-19 |
ECSP045116A (en) | 2004-07-23 |
ZA200403053B (en) | 2005-10-10 |
WO2003035820A1 (en) | 2003-05-01 |
BR0213527A (en) | 2004-12-07 |
MXPA04003678A (en) | 2004-07-22 |
DE60205648D1 (en) | 2005-09-22 |
CN1575333A (en) | 2005-02-02 |
US6696398B2 (en) | 2004-02-24 |
RU2004115746A (en) | 2005-10-10 |
US20030087779A1 (en) | 2003-05-08 |
EP1438384B1 (en) | 2005-08-17 |
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